Sponge Gold in Quartz Specimen from Idaho


A very rare sight to see a sponge gold specimen from Idaho. This is a remarkable gold in quartz piece and hefty at 23.8 grams (366 grains). It has a large amount of gold to quartz ratio and the specific gravity test shows a total gold content of 17.3 grams of contained gold. It measures 1-1/4" by 1" (33mm by 24mm). A rare and special sponge gold in quartz piece.

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